149930873 has 2 divisors, whose sum is σ = 149930874. Its totient is φ = 149930872.

The previous prime is 149930867. The next prime is 149930887. The reversal of 149930873 is 378039941.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142157929 + 7772944 = 11923^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 149930873 - 2⁴ = 149930857 is a prime.

It is not a weakly prime, because it can be changed into another prime (149930173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74965436 + 74965437.

It is an arithmetic number, because the mean of its divisors is an integer number (74965437).

Almost surely, 2^149930873 is an apocalyptic number.

It is an amenable number.

149930873 is a deficient number, since it is larger than the sum of its proper divisors (1).

149930873 is an equidigital number, since it uses as much as digits as its factorization.

149930873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 149930873 is about 12244.6262907449. The cubic root of 149930873 is about 531.2476516067.

The spelling of 149930873 in words is "one hundred forty-nine million, nine hundred thirty thousand, eight hundred seventy-three".